
Accoustic Properties for
Gases-
Gases |
Velocity, Longitudinal |
Density (g/cm3) |
Acoustic Impedance g/cm2-sec x105 |
cm/µs |
in/µs |
Air 0° C (25 ATMs.) |
.0332 |
.0131 |
N/A |
N/A |
Air 0° C (50 ATMs.) |
.0335 |
.0132 |
N/A |
N/A |
Air 0° C (100 ATMs.) |
.0351 |
.0138 |
N/A |
N/A |
Air 20° C |
.0344 |
.0135 |
N/A |
N/A |
Air 100° C |
.0386 |
.0152 |
N/A |
N/A |
Air 500° C |
.0553 |
.0218 |
N/A |
N/A |
Ammonia |
.0415 |
.0163 |
N/A |
N/A |
Argon |
.0319 |
.0126 |
1.78x10-3 |
.000568 |
|
|
|
|
|
Carbon Monoxide |
.0337 |
.0133 |
N/A |
N/A |
Carbon Dioxide |
.0258 |
.0102 |
N/A |
N/A |
Carbon Disulfate |
.0189 |
.0074 |
N/A |
N/A |
Chlorine |
.0205 |
.0081 |
N/A |
N/A |
Ethylene |
.0314 |
.0124 |
N/A |
N/A |
Helium |
.0970 |
.0382 |
.179 x 10-3 |
.000174 |
Hydrogen |
.1280 |
.0504 |
.09 x 10-3 |
.000115 |
Methane |
.0430 |
.0169 |
.74 x 10-3 |
.000318 |
Neon |
.0430 |
.0169 |
.90 x 10-3 |
.000387 |
Nitric Oxide |
.0325 |
.0128 |
N/A |
N/A |
Nitrogen (0° C) |
.0330 |
.013 |
1.25 x 10-3 |
.000413 |
Nitrogen (20° C) |
.0350 |
.0138 |
1.16 x 10-3 |
.000406 |
Nitrous Oxide |
.0262 |
.0103 |
N/A |
N/A |
Oxygen (0° C) |
.0316 |
.0124 |
1.42 x 10-3 |
.000449 |
Oxygen (20° C) |
.0328 |
.0129 |
1.32 x 10-3 |
.000433 |
Data compiled by Xactex Corporation. Sources of original data are unknown.
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